Welcome to AESSEAL®

A specialist in the design and manufacture of mechanical seals and support systems.

Our Mechanical Seals are used in a wide range of pumps and rotating equipment worldwide to prevent liquids and gases escaping into the environment. We manufacture mechanical seal types to suit all industries and our investment in modular design means that we provide the best on-time delivery performance in the industry.

The AESSEAL® range of seals, seal support systems and bearing protectors are all designed to improve pump reliability and reduce maintenance costs. Our business is built around giving our customers such exceptional service that they need never consider alternative sources of supply.

AESSEAL® holds the world's most comprehensive standard inventory portfolio of mechanical seals, bearing protectors, seal support systems and packing.

AESSEAL® operates from 235 locations in 104 countries, including 9 manufacturing and 44 repair locations, and has more than 300 customer service representatives who visit industrial plants every day. Find Out More..

Investing over 7% of annual sales revenue in R&D overall several decades has led to AESSEAL® having one of the most advanced ranges of mechanical seals in the market today. In addition, AESSEAL® invests in the latest manufacturing technologies. > Find Out More..

Latest News Read all news

29by29 - £16 million and counting

In his latest video diary AES Engineering Managing Director Chris Rea reports on progress on the 29by29 pledge, including almost £16 million of purchase orders made to date.

Reliability improved for UK waste energy company Enfinium with LabTecta bearing protector.

Discover how leading waste to energy company Enfinium overcame bearing oil leakage with AESSEAL's LabTecta bearing protector. 

AVT Reliability tops £20 million turnover

AESSEAL’s fellow group company, AVT Reliability, exceeded £20 million turnover in a 12-month period for the first time.

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AESSEAL achieves elevated safety and reliability for leading UK manufacturer

Discover how a major UK metal processing company overcame reliability issues with critical chemical pump seals.